# Sleep Diary by Psyktest vs Better Sleep Diary

The clearest difference is update cadence: Better Sleep Diary at every 2 days against Sleep Diary by Psyktest's every 3 weeks. Sleep Diary by Psyktest's advantage is iOS requirement (15.1 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sleep Diary by Psyktest ships an update every 3 weeks, Better Sleep Diary every 2 days. The most recent releases landed on September 8, 2026 and August 14, 2026 respectively.

## The numbers

| Metric | Sleep Diary by Psyktest | Better Sleep Diary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (3 ratings)](https://appshunter.io/ios/app/better-sleep-diary/id6754345892/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | — | Free |
| Size | 56 MB | 3 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Lavamilk AS](https://appshunter.io/developer/1832836684) | [Gruffydd Johnston](https://appshunter.io/developer/1651486785) |

## What reviewers say

### Sleep Diary by Psyktest

[App page](https://appshunter.io/ios/app/sleep-diary-by-psyktest/id6749919068)

**Features:** macOS Compatibility

**In-app purchases:** none


### Better Sleep Diary

[App page](https://appshunter.io/ios/app/better-sleep-diary/id6754345892)

Log your nightly sleep details and factors that may impact it. See trends over time with simple charts and summaries to understand patterns and make better decisions about your sleep.

**Highlights:** Record nightly sleep details, Note impacting factors, Add custom notes, View sleep trends over time, Track changes from new habits, See simple charts and summaries

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sleep Diary by Psyktest free?

Sleep Diary by Psyktest is free to download, with no in-app purchases.

### Is Better Sleep Diary free?

Better Sleep Diary is free to download, with no in-app purchases.

### Do Sleep Diary by Psyktest or Better Sleep Diary have ads?

Neither Sleep Diary by Psyktest nor Better Sleep Diary shows ads.

### Which is updated more often, Sleep Diary by Psyktest or Better Sleep Diary?

Sleep Diary by Psyktest ships an update every 3 weeks, and Better Sleep Diary every 2 days. Most recently, Sleep Diary by Psyktest was updated on September 8, 2026 and Better Sleep Diary on August 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*